Definition of Bigorexia

Reviewed on 3/12/2022

Bigorexia is a term that has been coined to describe the condition of muscle dysphoria, in which a person is consumed by the idea that their body is too small or not muscular enough. This condition is increasing in frequency, particularly among young people. It is most commonly seen in young men. Symptoms can include fixation on muscle building exercises and diets or supplements as well as a feeling of disgust or hatred for one's own body. There is still debate in the medical community about the classification of bigorexia as a disorder of body image versus an eating disorder or addiction.


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Mosley, P.E. "Bigorexia: bodybuilding and muscle dysmorphia." Eur Eat Disord Rev. 17.3 May 2009: 191-8. doi: 10.1002/erv.897. <>.

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